請問: 1)用AP可以在國內待多久? -Maxium is one year. You need to come back to US before the AP expires. 2)。 如果回國發展,持AP,如何保持485pending? -Nothing need to do. Just come back before the AP expires. 本人不是主申請人。住申請人仍在美國境內。 多謝